Tamarack Advisers’s Bio-Rad Laboratories Class A BIO Stock Holding History

Tamarack Advisers’s Portfolio BIO Stock Details BIO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2023 Q3	–	Sell	-2,000	Closed	-$758K	–	24
2023 Q2	$758K	Buy	2,000 +1,000	+100%	+$407K	0.23%	29
2023 Q1	$479K	Buy	+1,000	New	+$468K	0.18%	35
2022 Q4	–	Sell	-2,000	Closed	-$834K	–	37
2022 Q3	$834K	Buy	+2,000	New	+$997K	0.49%	35
2021 Q3	–	Sell	-1,000	Closed	-$644K	–	47
2021 Q2	$644K	Buy	+1,000	New	+$609K	0.18%	39
2020 Q4	–	Sell	-15,000	Closed	-$7.73M	–	47
2020 Q3	$7.73M	Sell	15,000 -15,000	-50%	-$7.6M	2.38%	17
2020 Q2	$13.5M	Sell	30,000 -10,000	-25%	-$4.41M	3.77%	10
2020 Q1	$14M	Sell	40,000 -60,000	-60%	-$22.1M	5.31%	8
2019 Q4	$36.7M	Sell	100,000 -15,000	-13%	-$5.29M	8.38%	2
2019 Q3	$38.3M	Buy	115,000 +15,000	+15%	+$4.89M	9.97%	3
2019 Q2	$30.9M	Buy	100,000 +35,000	+54%	+$10.5M	9.4%	3
2019 Q1	$19.9M	Buy	65,000 +5,000	+8%	+$1.35M	7.89%	6
2018 Q4	$13.9M	Sell	60,000 -5,000	-8%	-$1.34M	5.68%	9
2018 Q3	$20.3M	Buy	65,000 +10,000	+18%	+$3.1M	5.81%	7
2018 Q2	$15.9M	Buy	55,000 +17,100	+45%	+$4.72M	5.31%	8
2018 Q1	$9.48M	Buy	+37,900	New	+$9.65M	4.51%	9
2017 Q1	–	Sell	-49,000	Closed	-$8.93M	–	31
2016 Q4	$8.93M	Sell	49,000 -59,000	-55%	-$10.1M	6.32%	4
2016 Q3	$17.5M	Buy	108,000 +38,000	+54%	+$5.77M	5.51%	5
2016 Q2	$10M	Sell	70,000 -30,000	-30%	-$4.28M	3.84%	13
2016 Q1	$13.7M	Sell	100,000 -25,000	-20%	-$3.28M	4.79%	11
2015 Q4	$17.3M	Buy	+125,000	New	+$17.3M	2.28%	15

Other funds holding BIO

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VAM

Veritas Asset Management London, United Kingdom $5.9B AUM 3.19% 1-Year Est. Return

Brown Advisory Baltimore, Maryland $60.9B AUM 15.24% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Tamarack Advisers's BIO Position: Q3 2023 in Review

Tamarack Advisers sold out of Bio-Rad Laboratories Class A (BIO) in Q3 2023, closing a stake of 2,000 shares — an estimated $758K sold.

Tamarack Advisers first reported a position in BIO in Q4 2015 and held it in 20 quarters. The position peaked at $38.3M in Q3 2019. 467 funds tracked by Wall St. Rank hold BIO as of Q3 2023.

Tamarack Advisers reported no remaining Bio-Rad Laboratories Class A position as of Q3 2023 after selling out during the quarter.
Tamarack Advisers sold 2,000 Bio-Rad Laboratories Class A shares in Q3 2023, an estimated $758K.
Tamarack Advisers first reported a position in Bio-Rad Laboratories Class A in Q4 2015 and held it in 20 quarters.
Tamarack Advisers's Bio-Rad Laboratories Class A position peaked at $38.3M in Q3 2019.
467 funds tracked by Wall St. Rank held Bio-Rad Laboratories Class A as of Q3 2023.

Based on Tamarack Advisers's 13F filing for Q3 2023, filed 16 Nov 2023.